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Dmitrij [34]
3 years ago
11

When a warm front passes your location, the temperature rises rapidly. As a result, air density:

Chemistry
2 answers:
sukhopar [10]3 years ago
8 0
The air density decreases.
deff fn [24]3 years ago
3 0

Answer:

decreases

Explanation:

As you know when the temperature of a medium decreases, the density increases, the majority of the solids present in nature depende of a certain temperature, when they heat up they tend to go to a liquid form and then to gas, so if the temperature in the are rises rapidly the densitiy of the air would decrease as it is expanding because of the rise of the temperature.

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Predict the products of the reaction below. That is, complete the right-hand side of the chemical equation. Be sure your equatio
butalik [34]

<u>Answer:</u> The balanced chemical equation is written below.

<u>Explanation:</u>

Law of conservation of mass states that mass can neither be created nor be destroyed but it can only be transformed from one form to another form. This also means that total number of individual atoms on reactant side must be equal to the total number of individual atoms on the product side.

A balanced chemical equation always follows this law.

For the given chemical reaction, the balanced equation follows:

HClO_4+KOH\rightarrow KClO_4+H_2O

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6 0
3 years ago
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Lina20 [59]

Answer:

B) Hope this helps! :)

Explanation:

6 0
2 years ago
Supongo que quiere preparar una solución al 10% de sulfato de magnesio en peso. El frasco del producto químico que se tiene indi
Darina [25.2K]

Answer:

Se requerirán 14.57 gramos de MgSO₄·7H₂O, que se disolverían en 105.43 gramos de agua.

Explanation:

Si tenemos 120 gramos de una solución al 10% de sulfato de magnesio en peso, habrán en la solución (120*10/100) 12 gramos de sulfato de magnesio (MgSO₄).

Sin embargo, el reactivo que está disponible es heptahidratado (MgSO₄·7H₂O), por lo que hay que calcular <em>cuántos gramos de sulfato de magnesio heptahidratado contendrán 12 gramos de MgSO₄</em>.

<u>Calculamos las moles de 12 gramos de MgSO₄</u>, usando su masa molecular:

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<u>Después calculamos la masa de MgSO₄·7H₂O que contendrá 0.0997 mol MgSO₄</u>, usando la masa molecular de MgSO₄·7H₂O:

  • 0.0997 mol * 246.305 g/mol = 14.57 g MgSO₄·7H₂O

Para saber la cantidad de agua en la que se disolverá el reactivo, restamos la masa de soluto de la masa total de la solución:

  • 120 g - 14.57 g = 105.43 g

6 0
3 years ago
How is fractional distillation of crude oil related to stoichiometry
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Answer:

Fractional distillation is the process by which oil refineries separate crude oil into different, more useful hydrocarbon products based on their relative molecular weights in a distillation tower.

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